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313125473611 = 1393307368113
BaseRepresentation
bin1001000111001111011…
…10111000110101001011
31002221020020211011122101
410203213232320311023
520112240110123421
6355503045334231
731423353416266
oct4434756706513
91087206734571
10313125473611
11110883191955
1250829107377
13236b21c2a42
141122640dcdd
158229b48191
hex48e7bb8d4b

313125473611 has 8 divisors (see below), whose sum is σ = 315392341040. Its totient is φ = 310858808832.

The previous prime is 313125473579. The next prime is 313125473623. The reversal of 313125473611 is 116374521313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313125473611 - 25 = 313125473579 is a prime.

It is a super-2 number, since 2×3131254736112 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313125473411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4563091 + ... + 4631203.

It is an arithmetic number, because the mean of its divisors is an integer number (39424042630).

Almost surely, 2313125473611 is an apocalyptic number.

313125473611 is a deficient number, since it is larger than the sum of its proper divisors (2266867429).

313125473611 is a wasteful number, since it uses less digits than its factorization.

313125473611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101325.

The product of its digits is 45360, while the sum is 37.

Adding to 313125473611 its reverse (116374521313), we get a palindrome (429499994924).

The spelling of 313125473611 in words is "three hundred thirteen billion, one hundred twenty-five million, four hundred seventy-three thousand, six hundred eleven".

Divisors: 1 139 33073 68113 4597147 9467707 2252701249 313125473611